54 197 029 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷³

TF target 2⁷³

P-1

B1 =	575000
B2 =	13943750

Status	Date	User	Residue	Shift	Software
Bad	2012-04-19	ebcdic	46FB510AC5333936	19832916	Windows,Prime95,v26.5,build 5
Verified	2012-05-25	Dubslow	472273CC1E771BAC	50510346	Linux 64-bit,Prime95,v27.7,build 2
Verified	2016-11-19	AirSquirrels	472273CC1E771BAC	21190576	CUDALucas v2.05.1

History

Date	User	Type	Result
2016-11-19	AirSquirrels	C-LL	472273CC1E771BAC
2015-07-30	Mark Rose	NF	no factor TF: 72-73
2012-05-25	Dubslow	C-LL	472273CC1E771BAC
2012-04-19	ebcdic	C-LL	46FB510AC5333936
2012-03-11	Jacques MOLNE	NF	no factor TF: 71-72
2011-10-12	TimBob1	NF-PM1	B1=575000, B2=13943750
2011-09-08	megavink	NF	no factor TF: 70-71
2011-05-28	Per Jessen	NF	no factor TF: 69-70
2011-04-02	Per Jessen	NF	no factor TF: 68-69
2009-05-09	Thomas Sprenger	NF	no factor TF: 67-68
2008-12-25	Sturle Sunde	NF	no factor TF: 66-67
2008-12-24	Sturle Sunde	NF	no factor TF: 65-66
2008-12-23	Sturle Sunde	NF	no factor TF: 64-65
2008-12-21	1997rj7	NF	no factor TF: 1-64
2008-05-10	-anonymous-	NF	no factor TF: 1-63
2003-08-31	oerwin	NF	no factor TF: 1-62
2002-08-24	-anonymous-	NF	no factor TF: 1-58
2001-08-26	-anonymous-	NF	no factor TF: 1-57
2000-05-24	-anonymous-	NF	no factor TF: 1-56
2000-03-01	-anonymous-	NF	no factor TF: 1-54
2000-01-12	-anonymous-	NF	no factor TF: 1-53
1999-12-08	-anonymous-	NF	no factor TF: 1-53

Username
Password